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I applied via LinkedIn and was interviewed in Aug 2023. There was 1 interview round.
To rename a column in PySpark, use the 'withColumnRenamed' method.
Use the 'withColumnRenamed' method on the DataFrame
Specify the current column name and the new column name as arguments
Assign the result to a new DataFrame to store the renamed column
Multiprocessing involves executing multiple processes simultaneously, while multithreading involves executing multiple threads within a single process.
Multiprocessing utilizes multiple CPUs or cores to execute multiple processes concurrently.
Multithreading involves creating multiple threads within a single process to execute tasks concurrently.
Processes in multiprocessing have separate memory spaces, while threads in m...
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I applied via Campus Placement and was interviewed in Jun 2022. There were 2 interview rounds.
It was average,they asked questions on arrays,linked list and some questions on oops,it was easy and one was average level
OOPs (Object-Oriented Programming) is a programming paradigm that uses objects to represent and manipulate data.
OOPs focuses on creating reusable code by organizing data and behavior into objects.
It provides concepts like encapsulation, inheritance, and polymorphism.
Encapsulation hides the internal details of an object and provides a public interface.
Inheritance allows creating new classes based on existing ones, inher...
DSA stands for Data Structures and Algorithms.
DSA is a field of computer science that deals with the study of data structures and algorithms.
It is used to solve complex problems and improve the efficiency of computer programs.
Examples of data structures include arrays, linked lists, trees, and graphs.
Examples of algorithms include sorting, searching, and graph traversal.
DSA is an important topic for software engineers
I applied via Campus Placement and was interviewed in Apr 2023. There were 3 interview rounds.
Maths, logical reasoning, 1.5 hrs
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed before Sep 2022. There were 4 interview rounds.
I faced a difficult situation when a critical project deadline was approaching and we encountered unexpected technical issues.
Technical issues arose during a critical project
Deadline was approaching
Had to find quick solutions to resolve the issues
Coordinated with team members to troubleshoot and fix the problems
Implemented contingency plans to ensure project completion on time
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
Lambda function is an anonymous function in programming that can have multiple arguments but can only have one expression.
Lambda functions are used for creating small, one-time use functions without the need to define a formal function.
They are often used in functional programming languages like Python.
Lambda functions can take any number of arguments, but can only have one expression.
Example: lambda x: x*2 defines a l
List is mutable, tuple is immutable in Python.
List can be modified after creation, tuple cannot.
List uses square brackets [], tuple uses parentheses ().
List is used for collections of items that may change, tuple for fixed collections.
Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
Power BI is a business analytics tool by Microsoft for visualizing and analyzing data.
Power BI is a business analytics tool by Microsoft
It allows users to visualize and analyze data from various sources
Users can create interactive reports and dashboards
Power BI offers a wide range of data connectors for seamless integration
It provides features like data modeling, data preparation, and data visualization
Power BI can be ...
I applied via Company Website and was interviewed before Jan 2024. There were 2 interview rounds.
based on 1 interview
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